WorksheetsTranscription In Prokaryotes
Total questions: 8
Worksheet time: 6mins
A DNA sequence is read by an RNA polymerase that produces complementary anti-parallel RNA strand known as
Transcripton
Secondary transcript
Primary transcript
Tertiary transcript
Which of these sub units of RNA polymerase is totally required to initiate transcription?
alpha (α)
beta (β)
omega (ω)
sigma (σ)
The initiation of transcription in prokaryotes is initiated by
Core enzyme
Holoenzyme
Which of the following are methods for termination of transcription in prokaryotes?
I. Release factor binding
II. Rho-mediated termination
III. Hairpin loop (stem loop) formation
III only
I, II, and III
II and III
I only
Which of the following event is the indicative of transcription initiation?
The RNA strand begins to be synthesized
RNA polymerase binds to the promoter
Telomerase lengthens the telomeres of the DNA
RNA polymerase is removed from the DNA
Which of the following best describes a promoter?
an element that promotes termination of transcription
a regulatory protein that accelerates mRNA turnover.
A specific target sequence to which RNA polymerase binds
an extracellular environmental inducer that controls genes expression.
Which of the following is true with respect to "Rho" Protein?
ATP-dependent RNA-stimulated helicase
ATP- independent RNA-stimulated ligase
ATP-dependent helicase
ATP-dependent DNA-stimulated helicase
During which phase, RNA-DNA hybrid formation is observed in Transcription of prokaryotes?
Initiation
Elongation
Rho dependent termination
Rho independent termination
